package com.guomao;

public class JavaDemo7 {

    public static void main(String[] args) {


        int x = 10;

        switch (x) {
            case 10:
                System.out.println("hello world");
                break;

            case 20:
                System.out.println("hello java");
                break;


            case 30:
                System.out.println("hello javase");
                break;

            default:
                System.out.println("hello python");

        }

    }
}
